CN104871415A - Reliable squirrel-cage rotor - Google Patents
Reliable squirrel-cage rotor Download PDFInfo
- Publication number
- CN104871415A CN104871415A CN201380065418.4A CN201380065418A CN104871415A CN 104871415 A CN104871415 A CN 104871415A CN 201380065418 A CN201380065418 A CN 201380065418A CN 104871415 A CN104871415 A CN 104871415A
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- China
- Prior art keywords
- axial end
- end portion
- passage
- short
- cage rotor
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- 239000000463 material Substances 0.000 claims abstract description 189
- 238000003475 lamination Methods 0.000 claims abstract description 84
- 238000004519 manufacturing process Methods 0.000 claims abstract description 33
- 238000004080 punching Methods 0.000 claims description 90
- 238000012856 packing Methods 0.000 claims description 71
- 238000000034 method Methods 0.000 claims description 14
- 239000000945 filler Substances 0.000 abstract 2
- 238000004804 winding Methods 0.000 description 28
- 239000007788 liquid Substances 0.000 description 25
- 230000002349 favourable effect Effects 0.000 description 18
- 238000005266 casting Methods 0.000 description 12
- 238000009826 distribution Methods 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 239000010949 copper Substances 0.000 description 7
- 229910052802 copper Inorganic materials 0.000 description 7
- 239000004411 aluminium Substances 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 239000012530 fluid Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- NOQGZXFMHARMLW-UHFFFAOYSA-N Daminozide Chemical group CN(C)NC(=O)CCC(O)=O NOQGZXFMHARMLW-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000005291 magnetic effect Effects 0.000 description 3
- 238000004512 die casting Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 208000034189 Sclerosis Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/0054—Casting in, on, or around objects which form part of the product rotors, stators for electrical motors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/0012—Manufacturing cage rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
- H02K17/16—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors
- H02K17/18—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors having double-cage or multiple-cage rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
- H02K17/16—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors
- H02K17/20—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors having deep-bar rotors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/12—Machines characterised by the modularity of some components
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
- Induction Machinery (AREA)
Abstract
The invention relates to a squirrel-cage rotor (1, 62, 72, 82) for an electric machine (50, 52, 54, 56), said rotor having a laminated core (2, 206, 207, 208) which extends in an axial direction (3) from a first axial end (4, 163, 173, 183) to a second axial end (5, 164, 174, 184) along a rotational axis (6) and which has stacked laminations (7) in the axial direction (3); a cage ring (8) which surrounds the rotational axis (6) and which is arranged at the first axial end (4, 163, 173, 183); and an additional cage ring (9) which surrounds the rotational axis (6) and which is arranged at the second axial end (5, 164, 174, 184), said cage ring (8) and the additional cage ring (9) comprising a first material. Each of the laminations (7) has first punched-out portions (10) which form edges of grooves (16) of the laminated core (2, 206, 207, 208), said grooves running from the first axial end (4, 163, 173, 183) to the second axial end (5, 164, 174, 184), and each of the laminations (7) has a second punched-out portion (11) which forms edges of a passage (12, 126) that runs from the first axial end (4, 163, 173, 183) to the second axial end (5, 164, 174, 184). The first punched-out portions (10) lie in an outer region (13) of the laminations (7), and the second punched-out portion (11) lie in an inner region of the laminations (7). The passage (12, 126) is filled with a filler material (15) made of the first material, said filler material being integrally joined to the cage ring (8) and to the additional cage ring (9). The invention also relates to an electric machine comprising a squirrel-cage rotor (1, 62, 72, 82), to a method for producing a squirrel-cage rotor (1, 62, 72, 82), and to a series (60, 70, 80) of electric machines (51, 52, 53, 54, 55, 56).
Description
Technical field
The present invention relates to the cover group of a kind of cage rotor as described in the preamble according to claim 1, the motor comprising cage rotor and motor, the cover group of this motor comprises the first motor that at least one has cage rotor.In addition, the present invention relates to a kind of method for the manufacture of cage rotor.
Background technology
Known this cage rotor from DE 199 01 195 A1.Address the problem there: the tendency of crackle appears being formed in the transition part place when manufacturing rotor shaft and short-circuited conducting sleeve with aluminium extrusion process single type between short-circuited conducting sleeve and rotor shaft.In order to solve this problem, spacer element is cast in die casting cage type winding between rotor plate superimposition short-circuited conducting sleeve in the end on left side and right side.In DE 199 01195 A1, also solve the problem that there is not ventilation of rotor in the following way, wherein, the lamination that rotor plate is folded has the Cooling Holes for the formation of the cooling duct axially extending through rotor core.
In cage rotor, except the cage type winding of the single type be made up of electric conducting material described in the preceding paragraph, such as also there is known the embodiment with short-circuit rods, described short-circuit rods inserts in the groove that rotor plate folds and short-circuited conducting sleeve subsequently by manufacturing by means of casting die connects.Therefore, such as known cage rotor from EP 2 282 396 A1, wherein short-circuit rods is inserted in the folded groove of rotor plate, and after this short-circuit rods of insertion by casting die with the residue cross section of the remainder of the first material filling slot and by means of casting die manufacture short-circuited conducting sleeve.Also known cage rotor from EP 2 282 396 A1, its short-circuit rods fully filling slot.Short-circuit rods is made up of the second material had than the first material more high conductivity, and this first material is for the manufacture of short-circuited conducting sleeve.When copper is used as the second material, obtain asynchronous machine, this asynchronous machine has following efficiency due to the copper bar be bearing in groove, and this efficiency is arranged in the scope of the asynchronous machine with copper die-casting rotor, but wherein manufacturing cost is significantly less.
Because seek the high-quality under low manufacturing cost in whole cage rotor, so importantly: provide other technical contribution, it realizes high-quality motor individually, as an alternative or with known means in combination.
Summary of the invention
Therefore, the object of the invention is to, provide a kind of cage rotor for motor with high-quality.
This object is realized by the cage rotor for motor with the feature of claim 1.
Cage rotor according to the present invention for motor is following cage rotor, and it comprises
-rotor plate is folded, its along rotation in the axial direction from the first axial end portion towards second axial end portion extend and it has the lamination of in axial direction layering,
-short-circuited conducting sleeve, its around rotation and its be arranged on the first axial end portion, and
-other short-circuited conducting sleeve, it is around rotation and it is arranged on the second axial end portion,
-wherein short-circuited conducting sleeve and other short-circuited conducting sleeve comprise the first material,
-wherein lamination there is each first punching portion, it forms the edge of groove that rotor plate is folded, and this groove extends to the second axial end portion from the first axial end portion,
-wherein lamination there is each second punching portion, it forms the edge of passage, and this passage extends to the second axial end portion from the first axial end portion,
-wherein the first punching portion be arranged in the perimeter of lamination and the second punching portion is arranged in the interior zone of lamination,
-wherein passage packing material the filling be made up of the first material, this packing material is connected with short-circuited conducting sleeve and other short-circuited conducting sleeve single type ground.
This object is also realized by the motor with the feature of claim 7.
Motor according to the present invention comprises according to cage rotor of the present invention.
This object is also realized by the method for the manufacture of cage rotor according to claim 8.
For the manufacture of cage rotor according in method of the present invention, packing material causes the second axial end portion via passage at least in part.
In addition, this object is realized by the cover group of motor according to claim 9.
The cover group according to the present invention of motor comprises at least one first motor and at least one second motor, and this first motor has according to cage rotor of the present invention,
-wherein the second motor there is the cage rotor variant of the body that to dissolve with rotor plate, it has the lamination respectively with the first punching portion and the second punching portion as the lamination of the first cage rotor, wherein each first punching portion of lamination forms rotor plate and to dissolve the edge of groove of body, this groove extends to rotor plate to dissolve the second axial end portion of body from dissolve the first axial end portion of body of rotor plate, wherein each second punching portion forms rotor plate and to dissolve the edge of open channel of body, this open channel extends to rotor plate to dissolve the second axial end portion of body from dissolve the first axial end portion of body of rotor plate.
This object is advantageously realized according to cage rotor of the present invention, wherein, use when casting other short-circuited conducting sleeve lamination to be positioned at lamination inner and form the second punching portion of channel edge, at least in part packing material is caused the second axial end portion from the first axial end portion via passage, thus the first material is supplied to other short-circuited conducting sleeve with the amount of abundance at the second axial end portion place under fully liquid state.Therefore, the first material can form high-quality other short-circuited conducting sleeve.Advantageously, the second punching portion is used, because passage, especially packing material in the interior zone of lamination especially have little impact when motor according to the present invention runs for characteristic, the especially electrical characteristics of cage rotor according to the present invention, magnetic characteristic or mechanical characteristic in the interior zone of lamination.This advantageously additionally contributes to: can provide the cage rotor with high-quality motor.In addition, the connection of the single type between short-circuited conducting sleeve and other short-circuited conducting sleeve causes advantageously being exported to by used heat in short-circuited conducting sleeve and other short-circuited conducting sleeve from rotor plate is folded due to packing material.Because passage is present in the interior zone of lamination, so advantageously can realize the further derivation of used heat via axle.
When manufacturing according to cage rotor of the present invention, can to realize with the first material that the amount of abundance is present in the second axial end portion place under fully liquid state: formed the other short-circuited conducting sleeve with high-quality material behavior during at the first material hardening, especially in the spatial distribution of the first material.Advantageously, the more uniform spatial distribution of the first material can be realized.Advantageously, also the mode especially with more aperture porosity in other short-circuited conducting sleeve spatially distributing more closely of the first material can be realized.
Axial direction is the direction being parallel to rotation.Radial direction is perpendicular to the direction of rotation.If radially away from rotation in rotor plate is folded, so just reached the perimeter of lamination from the interior zone of lamination.
First material is following material advantageously, and it has thermal conductivity more better than laminate.Therefore such as advantageously, the first material can comprise copper and lamination can be ferromagnetic laminates, such as electronics lamination.In other favourable example, the first material can comprise aluminium, and it advantageously improves the mechanical characteristic of cage rotor when thermal conductivity is good, because aluminium has the mass density less than copper.Aluminium also advantageously has the mass density less than the ferro-silicium be applied in electronics lamination.
Each other punching portion can be had in lamination according to cage rotor of the present invention, it is arranged in the interior zone of lamination and forms the edge of other passage, this passage packing material be made up of the first material is filled, and this packing material is connected with short-circuited conducting sleeve and other short-circuited conducting sleeve single type ground.This can realize advantageously using passage and other passage.By being provided with the mode of the passage of greater number by this passage and this other passage, advantageous by the passage of greater number per time unit when the high stability of cage rotor need not be abandoned, more substantial first material can be caused the second axial end portion from the first axial end portion.Therefore, the first material is provided for other short-circuited conducting sleeve with the amount of abundance at the second axial end portion place under the state of abundant liquid.
Cage rotor according to the present invention is for following motor, and in this motor, cage rotor is in operation and is rotated by the magnetic acting in conjunction between the stator of motor and cage rotor, thus can convert mechanical energy to electric energy.Electric energy can extract by connecting electric consumption device on the winding of stator.When motor runs, also via stator winding transmission of electric energy, and mechanical energy can be converted to by the acting in conjunction of the magnetic between stator and cage rotor.At this, cage rotor carries out rotating and on axle, mechanical energy can be exported to mechanical customer with the form of rotational motion.
In order to make cage rotor rotate around rotation, cage rotor can have axle, and this axle extends along rotation, and can be fixed on rotor plate folded on.
In order to make the magnetically acting in conjunction of in cage rotor and motor, in such as asynchronous machine stator, cage rotor has winding.Winding to extend in the groove that rotor plate folds and by short-circuited conducting sleeve and other short-circuited conducting sleeve short circuit.Short-circuited winding comprises the winding of cage rotor, short-circuited conducting sleeve and other short-circuited conducting sleeve.The resistance of short-circuited winding, especially short-circuited winding less at the operating effective resistance of motor, the efficiency realized in the motor with cage rotor is higher.Utilize manufacture according to during cage rotor of the present invention with fully liquid state under and be present in first material at the second axial end portion place with the amount of abundance, advantageously realize the little resistance of short-circuited winding.In addition, especially within the first material, electrical connection section is formed when the first material hardening thus.
Can be configured to according to cage rotor of the present invention, the edge by the formation of the first punching portion that rotor plate is folded is advantageously around winding, and in addition, winding advantageously remains in groove.
The protection of housing for himself can be had according to motor of the present invention, in this housing, be furnished with stator and in this housing, cage rotor be rotatably supported between stator.The rotating supporting of cage rotor can be undertaken by the bearing in housing, such as rolling bearing via axle.
Motor according to the present invention also has following additional advantage except the advantage described in detail: namely stator only must adjust in some cases in the different use in the second punching portion of lamination.The different use in the second punching portion in lamination is: in one uses with packing material filling channel and in another kind uses not filling channel.Unfilled passage can be used as by fluid, such as air cooled cooling duct in cage rotor according to the present invention.
When cage rotor also has other passage except this passage, passage can advantageously differently use.Differently can use passage, make as motor provides high-quality cage rotor.Determine: when filling one or other passage, the unfilled other passage of remainder is also enough to realize the homogenizing of the heating of the winding head of stator winding.
The cover group according to the present invention of motor also has following additional advantage apart from the advantages described above: although the first motor of cover group is different with the feature of at least the second motor, still can manufacture short-circuited conducting sleeve and other short-circuited conducting sleeve with high quality.Passage and other passage can advantageously introduce specific motor for manufacturing cover group, at least in part packing material is caused the second axial end portion via passage from the first axial end portion with the size needed.Advantageously, the lamination with the first identical punching portion and the second identical punching portion can be applied for the motor of cover group according to the present invention and in other passage, apply identical other punching portion.This causes: can advantageously with identical manufacture technics lamination.Therefore high quality is achieved.
Method according to the present invention for the manufacture of cage rotor according to the present invention also has other advantage following except the advantage described in detail, namely the existing workpiece optimized for the high-quality of the cage rotor therefore manufactured by the experience that obtains in the past, do not need in order to for the manufacture of cage rotor according to the present invention according to method of the present invention, workpiece is adjusted or by means of only for passage or possible when other passage workpiece interior zone in one or more holes adjust.Workpiece is used for the moulding when casting short-circuited conducting sleeve and other short-circuited conducting sleeve.
For the manufacture of in the method for cage rotor, the first axial end portion place folded at rotor plate arranges the first workpiece, and it has preset the shape of short-circuited conducting sleeve.In addition, the second axial end portion place folded at rotor plate is furnished with second workpiece, and it presets the shape of other short-circuited conducting sleeve.Advantageously, only packing material to be incorporated in the first workpiece via an opening of the first workpiece or multiple opening and to cause the second axial end portion via passage.After packing material sclerosis, packing material advantageously generates and is cast to short-circuited conducting sleeve that rotor plate folds and is cast to the other short-circuited conducting sleeve that rotor plate folds.The filling channel that packing material is also favourable and fill other passage in the conceived case.
Advantageously, such as, also can casting die be utilized to use existing experience in for the manufacture of the method for cage rotor, wherein, utilize casting die to be incorporated into by packing material and be incorporated in the first workpiece in workpiece, especially.In addition, in casting die, packing material is incorporated into and is incorporated in the first workpiece in workpiece, especially in a liquid state under High Voltage, especially in the pressure range of 10MPa to 200MPa.
Favourable design of the present invention illustrates in the dependent claims.
Therefore, be favourable according to the design of cage rotor of the present invention, cross section filled by the first material wherein in passage, and this cross section is greater than the cross section that the first material in groove is filled.Therefore, it is possible to the packing material of more volume is caused the second axial end portion with the calorifics loss that packing material per unit volume is less from the first axial end portion advantageous by the larger cross section of the passage in the interior zone of lamination.Therefore, it is possible to advantageously under fully liquid state with the amount of abundance at the second axial end portion place for other adapter ring provides the first material.
The border of the cross section of passage can have the ratio of the girth on border and the area of cross section, the ratio of the area of the cross section of filling in groove one of its girth being less than the cross section of filling in groove one of the first material and the first material.Therefore advantageously, when being transported by passage, the calorifics loss of the every volume unit of packing material is less than the calorifics loss when the part transport by groove, and this part is filled with the first material after manufacture cage rotor.Especially, therefore, it is possible to the largest portion being used for the first material of other short-circuited conducting sleeve is caused the second axial end portion with the loss of less calorifics by the larger cross section of passage, thus the first material can be made to form other short circuit with high-quality.
In addition advantageously, the part less than passage to this of groove can be used, packing material is caused the second axial end portion from the first axial end portion.Therefore, packing material advantageously spatially carries out distributing particularly by passage and cause the second axial end portion to manufacture other short-circuited conducting sleeve under fully liquid state.Therefore, realize that there is high-quality cage rotor.
In another favourable design of cage rotor according to the present invention, lamination has each at least one other punching portion in the interior zone of lamination, wherein other punching portion forms the edge of open channel, and this passage extends to axial end portion second from the first axial end portion.Open channel can be advantageously used in other function, such as, as the portion of leaving a blank in the region of the opening of axle, is advantageously fixed on axle qualitatively rotor plate can be stacked in.
Lamination can have each other punching portion in the interior zone of lamination, and wherein other punching portion forms the edge of other open channel, and this passage extends to the second axial end portion from the first axial end portion.Open channel and other open channel can be advantageously used in fluid, such as Air flow cage rotor.Open channel and other open channel can realize: fluid is directed through cage rotor with larger amount.Therefore, when motor runs, cage rotor heats with less size.Cage rotor is therefore higher qualitatively.Open channel and other open channel are advantageously arranged around rotation distribution.Therefore, the uniform cooling of cage rotor is advantageously realized.
Passage, the passage of namely filling with packing material and other passage and open channel and other open channel, therefore, it is possible to be arranged to, make the imbalance of cage rotor minimize when rotating around rotation by the mass distribution of rotation asymmetry.Therefore, it is possible to advantageously provide, there is high-quality cage rotor, because load less power for the bearing be bearing in by cage rotor in motor, thus occur the damage of bearing with less probability.
The imbalance of the cage rotor when rotating around rotation is minimized in the following way, and namely lamination is point-symmetric about punching portion relative to the intersection point of itself and rotation.Therefore, the imbalance of cage rotor can advantageously be minimized when rotating around rotation, because such as can have high-quality punching portion by stamped workpieces manufacture.
Passage can be arranged around rotation distribution via multiple radius.Therefore the favourable distribution of passage around rotation is realized.Be distributed on multiple radius and can realize the mechanically more stable embodiment of cage rotor.
In addition, the other function of open channel and can also advantageously improving in the following way the use of the passage of filling with packing material, namely openly also radially distributes equably with the passage of filling.
In another favourable design of cage rotor according to the present invention, passage is separated with groove in lamination.Therefore passage is advantageously reduced to the effect of groove.In addition, the effect of passage to groove can be there is when manufacturing cage rotor.Because passage separates with groove, so packing material can be difficult in a liquid state from the direct arrival slot of passage.Therefore, advantageously reduce packing material not invade in groove with limiting.Therefore, the higher quality of cage rotor is achieved.
Separately such as can realize in the following way: the first punching portion in lamination and the second punching portion are separated from each other by the bridge of lamination.First punching portion and the second punching portion, therefore, it is possible to punching onboard, make at least one region retaining lamination between the first punching portion and the second punching portion, and this region forms bridge.Therefore, it is possible to high quality carry out restriction between passage and groove separately.
In another favourable design of cage rotor according to the present invention, in groove, be furnished with the bar be made up of the second material that conductivity is higher than the conductivity of the first material.Therefore, it is possible to advantageously provide, there is higher-quality cage rotor, because improve the efficiency of the motor with cage rotor.Improve the efficiency of motor, because short-circuited winding has less resistance.Although result in the bar of the more small resistor of winding in groove, also advantageously the first material can be caused the second axial end portion with the amount of abundance via favourable passage under fully liquid state, can be formed there, there is high-quality other short-circuited conducting sleeve.In addition, by the first material existed with the amount of abundance under fully liquid state, especially within the first material, favourable electrical connection is formed when the first material hardening of other short-circuited conducting sleeve.Therefore, by the lower resistance of short-circuited conducting sleeve, realize particularly by the effective resistance lower when motor runs of short-circuited winding motor high efficiency so that provide there is high efficiency motor.
The winding with bar, especially due to the higher conductivity of bar, has lower resistance compared with the winding formed with first material with identical physical dimension.Second material such as can comprise copper.
Bar can occupy the interior section of the interior zone towards lamination in the first punching portion.Therefore, it is possible to advantageously fill the exterior section in the first punching portion with the first material.In addition advantageously, the first material in exterior section can form starting bar.This causes having higher-quality cage rotor, because the starting characteristic of motor can be regulated by starting bar.
Also advantageously realize: when motor continuous service, the cross section large as far as possible with more high conductivity in the interior section in the first punching portion can be used in, in this motor continuous service, contrary with the startup of motor, electric current does not flow out to the exterior section in the first punching portion from the interior section in the first punching portion.
When the material that there is not the first material at the interior section place in the first punching portion is assembled, bar can occupy the interior section in the first punching portion.If there is material there undesirably to assemble, so should not exist in the interior section in the first punching portion the first material material assemble, this material assemble from the first axial end portion extend to the second axial end portion and with short-circuited conducting sleeve and other short-circuited conducting sleeve single type be connected.
Material in the interior section in the first punching portion is assembled and can be advantageously prevented from better in the following way, and namely passage separates with groove in lamination.Therefore advantageously, the first material from the second punching portion can not be made within lamination to arrive the first punching portion.
For the manufacture of in the design favourable according to of method of the present invention of cage rotor according to the present invention, wherein the bar that second material higher than the conductivity of the first material by conductivity is formed is arranged in groove, before packing material is caused the second axial end portion via passage at least in part, the bar be made up of the second material is arranged in groove.Although bar has been arranged in groove, the first material also advantageously can cause the second axial end portion with the amount of abundance via passage under fully liquid state.
For the manufacture of cage rotor according to the present invention according in another favourable design of method of the present invention, packing material causes axial end portion via passage and groove.Thus can advantageously spatially distribute under fully liquid state with the amount of abundance at the second axial end portion place for other short-circuited conducting sleeve provides the first material.Therefore, the first material can be formed has high-quality other short circuit, because in other short-circuited conducting sleeve, the first material can have more uniform spatial distribution and especially have spatially the distributing more closely of the first material of less porosity.
For the manufacture of cage rotor according to the present invention according in another favourable design of method of the present invention, its king-rod occupies the interior section in the first punching portion, before packing material causes axial end portion via passage, the bar be made up of the second material is arranged in groove, wherein by the exterior section in the first punching portion, the first material is caused axial end portion in groove.Except the advantage described of this cage rotor, favourable electrical connection can be formed, because provide the first material advantageously not only at bar with the amount of abundance on the surface of rotation but also on the surface deviating from rotation of bar when the first material hardening under fully liquid state between the first material and bar.Especially, can realize the favourable electrical connection of the whole surface of boom end thus, this dry end portion extend in other short-circuited conducting sleeve from rotor plate is folded.To this, this advantageously contributes to: the less effective resistance when motor runs realizing less resistance, the especially short-circuited winding of short-circuited winding, has high-quality motor to provide.
In another favourable design of cage rotor according to the present invention, the edge by the formation of the second punching portion of passage is advantageously around the packing material in passage.Packing material advantageously guides to the second axial end portion, thus under fully liquid state with the amount of abundance at the second axial end portion place for other short-circuited conducting sleeve provides the first material.
In the design favourable according to of cover group of the present invention of motor according to the present invention, the rotor plate of the first cage rotor is folded has the first length, this first length extends to the second axial end portion from the first axial end portion, and rotor plate dissolves, body has the second length, this second length extends to rotor plate to dissolve the second axial end portion of body from dissolve the first axial end portion of body of rotor plate, and wherein the second length is less than the first length.Advantageously, the motor of different length can be provided with high quality.In the first motor, advantageously can use passage and other single channel in the conceived case, the first material is caused the second axial end portion with the amount of abundance from the first axial end portion under fully liquid state, thus the quality of the other short-circuited conducting sleeve of the second motor is made not have worse quality or may worse quality substantially compared with the quality of the other short-circuited conducting sleeve of the second motor.
Accompanying drawing explanation
In conjunction with the embodiment that following connection with figures elaborates, illustrate above-mentioned characteristic of the present invention, the mode of feature and advantage and realization and method.At this:
Fig. 1 illustrates the embodiment of cage rotor,
Fig. 2 illustrates the view of the cage rotor according to Fig. 1 observed from axial direction,
Fig. 3 illustrates the cross section of the line III-III along Fig. 1,
Fig. 4 illustrates the embodiment of the equipment for the manufacture of the cage rotor with rotor plate superimposition bar,
Fig. 5 illustrates the embodiment of the motor of the cage rotor comprised according to Fig. 1,
Fig. 6 illustrates the first embodiment of the cover group of motor,
Fig. 7 illustrates the second embodiment of the cover group of motor,
Fig. 8 illustrates the 3rd embodiment of the cover group of motor,
Fig. 9 illustrates the view of the cage rotor variant according to Fig. 6 observed from axial direction.
Embodiment
Fig. 1 illustrates the embodiment of cage rotor 1, and it comprises rotor plate folded 2, and this rotor plate is stacked in and axial direction 3 extends to the second axial end portion 5 from the first axial end portion 4 along rotation and has the lamination 7 at axial direction 3 higher slice.Cage rotor 1 also has: short-circuited conducting sleeve 8, and it is around rotation 6, and is arranged on the first axial end portion 4; And other short-circuited conducting sleeve 9, it is around rotation 6, and is arranged on the second axial end portion 9.Short-circuited conducting sleeve 8 and other short-circuited conducting sleeve 9 comprise the first material.First material is suitable for utilizing casting die manufacture cage rotor and comprise aluminium in this embodiment.The lamination 7 that rotor plate folds 2 has each first punching portion 10, and this first punching portion forms the edge of the groove 16 that rotor plate is folded, and this groove extends to the second axial end portion 5 from the first axial end portion 4.Lamination 7 also has each second punching portion 11, and this second punching portion forms the edge of passage 12, and this passage extends to the second axial end portion 5 from the first axial end portion 4.First punching portion 10 is arranged in the region 13 of the outside of lamination 7.Second punching portion 11 is arranged in the interior zone 14 of lamination 7.Passage 12 packing material 15 be made up of the first material is filled, and this packing material is connected with short-circuited conducting sleeve 8 and other short-circuited conducting sleeve 9 single type ground.Rotor plate is folded 2 and is had opening 32 for axle, thus this opening is extended along rotation 6.
Radial direction 31 is perpendicular to the direction of rotation 6.If radially 31 away from rotation 6 in rotor plate folded 2, so just arrived the perimeter 13 of lamination 7 from the interior zone 14 of lamination 7.
In the embodiment of cage rotor 1, in groove 16, be furnished with the bar 17 be made up of the second material that conductivity is higher than the conductivity of the first material.Second material is copper.Bar 17 is solid bar 17 in this embodiment, therefore bar 17 advantageously has the maximum cross section be made up of the second material, can advantageously provide, there is higher-quality cage rotor, because solid bar 17 causes the advantageously less resistance of the winding with bar 17.
Fig. 2 illustrates the view of the cage rotor 1 according to Fig. 1 observed from axial direction 3.The rotor plate folded 2 with open channel can be observed.Multiple open channel comprises open channel 19 and other open channel.Short-circuited conducting sleeve 8 is cast on rotor plate folded 2, thus makes short-circuited conducting sleeve 8 extend beyond groove 16 in radial directions.Short-circuited conducting sleeve 8 has brace 29, and this brace extends beyond passage 12 in radial directions.Brace 29 advantageously can be used in the motion producing fluid, such as air when cage rotor 1 rotates around rotation 6, and this motion causes cage rotor 1 or has the heating of reduction of motor of cage rotor 1.Brace 29 is additional advantageously to be used, and wherein packing material can be caused the second axial end portion 5 via passage 12 at least in part by brace 29.In order to make fluid advantageously move, brace 29 can stretch in the mode of arc in radial directions.
Short-circuited conducting sleeve 8 can have alar part, to be additionally in operation the heating reducing and have the motor of cage rotor 1.The embodiment of cage rotor 1 comprises alar part 20, and this alar part is connected with short-circuited conducting sleeve 8 single type ground.
Cage rotor 1 can as its when cage rotor 1 advantageously can have the bolt 21 of inner radial on brace 29, to reduce the imbalance of the cage rotor 1 caused when rotating around rotation 6 due to the counterweight of corresponding supporting, such as ring 22.Advantageously, cage rotor can have the bolt 23 of radially outer as shown in the embodiment at cage rotor 1 on short-circuited conducting sleeve, and this bolt can be settled counterweight, such as ring 22, for the imbalance reducing cage rotor.
Fig. 3 illustrates the cross section of the line III-III along Fig. 1.Lamination 7 has other punching portion except the first punching portion 10 and the second punching portion 11, it is arranged in the interior zone 13 of a multiple or lamination 7 and forms the edge of other passage 121, this other passage packing material 15 be made up of the first material is filled, and this packing material is connected with short-circuited conducting sleeve 8 and other short-circuited conducting sleeve 9 single type ground.Passage 12 separates with groove 16 in lamination 7, and wherein, the first punching portion 10 and the second punching portion 11 bridge 33 by lamination 7 in lamination 7 is separated from each other.By being provided with the mode of the passage of larger quantity by passage 12 and other passage 121, per time unit more substantial first material can be caused the second axial end portion 5 from the first axial end portion 4 when the high mechanical stability of cage rotor 1 must not be abandoned.Therefore, the passage of larger quantity can realize: bridge 33 and radial bridges 331 can have short extension and then can provide higher mechanical stability.Passage 12 by second punching portion 11 formed edge in the channel around packing material, i.e. the first material 15.
First material fills cross section 18 in passage 12, and this cross section is greater than the cross section 151 of filling of the first material in groove 16.Rotor plate fold 2 by first punching portion 10 formed groove 16 in the edge ring of around the winding with bar 17.
The border of the cross section 18 of passage 12 has the ratio of the girth on border and the area of cross section 18, the ratio of the area of the cross section of filling in groove 16 one of its girth being less than the cross section 151 of filling in groove 16 one of the first material and the first material.
The cross section 18 of passage 12 illustrates in the mode of shade in figure 3 and by its boundary surrounding, the cross section 18 of passage 12 is defined relative to lamination 7 in this border.The cross section 151 of filling in groove 16 one of the first material illustrates in the mode of shade and in figure 3 by its boundary surrounding.In this embodiment, the cross section 151 of filling in groove 16 one of the first material is defined on border relative to lamination 7 and bar 17.
Lamination 7 has other punching portion 30 at the interior zone 14 of lamination 7 at least respectively, and wherein other punching portion 30 forms the edge of open channel 19, and this passage extends to axial end portion 5 second from the first axial end portion 4.Open channel 19 and other open channel can be advantageously used in Air flow cage rotor 1.
Multiple passage, the passage 12 of namely filling with packing material 15 and other passage 121 and open channel 19 and other open channel are arranged to, and the imbalance of the cage rotor 1 caused by the mass distribution of rotation asymmetry when rotating around rotation 6 is minimized.
The imbalance of the cage rotor when rotating around rotation 6 minimizes in the following way, and namely lamination 7 is point-symmetric about punching portion 10,11,30 relative to the intersection point of itself and rotation 6.Illustrate that the rotation axis of the intersection point only with itself and lamination 7 is to 6 in figure 3 due to cross-sectional view.
A bar 17 in bar 17 occupies the interior section in the first punching portion 10, and this interior section is towards the interior zone 14 of lamination 7.First material forms starting bar in the exterior section in the first punching portion 10, and the first material is filled in this starting bar in the face 151 in the first punching portion 10.
Fig. 4 illustrates the embodiment of equipment 47 of cage rotor 1 for the manufacture of having rotor plate and fold 2 and bar 17.Equipment 47 comprises the first workpiece 43 and second workpiece 44.Show packing material by arrow in the diagram, this arrow illustrates the flow direction 40,41,42,401 of the packing material 15 under liquid condition.
In an embodiment of the method for the manufacture of cage rotor 1, the first axial end portion 4 folding 2 at rotor plate is furnished with the first workpiece 43, and the shape of short-circuited conducting sleeve 8 preset by this first workpiece.In addition, the second axial end portion 5 folding 2 at rotor plate is furnished with second workpiece 44, this second workpiece presets the shape of other short-circuited conducting sleeve 9.Packing material 15 to be incorporated in the first workpiece 43 via multiple openings 45 of the first workpiece 43 and to cause the second axial end portion 5 via passage 12.After packing material 15 hardens, packing material 15 is formed in rotor plate and folds the short-circuited conducting sleeve 8 of 2 top castings and fold the other short-circuited conducting sleeve 9 of 2 top castings at rotor plate.Packing material 15 is filling channel 12 and other passage 121 also.
Before packing material 15 causes axial the second end 5 via passage 19 at least in part, the bar 17 be made up of the second material is arranged in groove 16.In this embodiment, packing material 15 utilizes casting die to be incorporated on flow direction 40 in first workpiece 43 and causes axial end portion 5 via passage 12 and groove 16, wherein in groove 16, first material is caused axial end portion 15 by the exterior section in punching portion.Packing material 15 causes axial end portion 15 via passage 12 and groove 16, to make the flow direction 401 of liquid filling material stretch on the surface deviating from rotation 6 of bar 17, the flow direction 42 of liquid filling material 15 relative to the surface extension towards rotation 6 of bar 17 and flow direction 41 stretch at the boom end place of bar 17.Therefore, can under fully liquid state, advantageously not only provide the first material at the rotation axis that deviates from also at bar 17 on the surface of rotation 9 of bar 17 on the surface of 9 with sufficiently high temperature with the amount of abundance when the first material hardening.
Second workpiece 44 has air draft opening 46, gas, such as air can be discharged from second workpiece 44 when packing material 15 being incorporated into the first workpiece 43 via it.
Fig. 5 illustrates as asynchronous machine and comprises an embodiment of the motor 50 of the cage rotor 1 according to Fig. 1.Motor 50 has housing 57 in order to the protection of himself, be furnished with stator 58 wherein and wherein cage rotor 1 is rotatably supported between stator 50.The rotating supporting of cage rotor 1 is undertaken by the bearing 501 in housing 57, such as rolling bearing via axle 502.Stator 58 has winding 59, and the winding head of this winding is visible in Figure 5.Can carry when motor 50 runs via winding 59 or extract electric energy.
Fig. 6 illustrates motor 51, the first embodiment of the cover group 60 of 52.First motor 52 has the structure of the embodiment as the motor according to Fig. 5.Therefore, motor 52 has the first cage rotor 62, and this first cage rotor is formed as the embodiment of the cage rotor according to Fig. 1, wherein there are some deviations, and this deviation describes as follows:
First cage rotor 62 comprises and is arranged in short-circuited conducting sleeve 608 on the first axial end portion 163 and other short-circuited conducting sleeve 609, and this other short-circuited conducting sleeve is arranged on the second axial end portion 164.The rotor plate folded 206 of the first cage rotor 62 has the first length l
1, this first length extends to the second axial end portion 164 from the first axial end portion 163.Lamination 7 has each first punching portion 10, and this first punching portion forms the edge that rotor plate folds the groove 16 of 206.The groove 16 that plate folds 206 utilizes the packing material 15 be made up of the first material to fill.Lamination 7 has each second punching portion, and this second punching portion forms passage 126, and this passage extends to the second axial end portion 164 from the first axial end portion 163.Passage 126 packing material 15 be made up of the first material is filled, and this packing material is connected with short-circuited conducting sleeve 608 and other short-circuited conducting sleeve 609 single type ground.
Second motor 51 also has the structure formed as the embodiment of the motor according to Fig. 5.Second motor 51 has cage rotor variant 61, and this cage rotor variant is formed as the embodiment of the cage rotor according to Fig. 1, wherein at least there is following deviation:
Each second punching portion 11 of lamination 7 forms rotor plate and to dissolve the edge of open channel 69 of body 63, and this passage extends to rotor plate to dissolve the second axial end portion 162 of body 63 from dissolve the first axial end portion 161 of body 63 of rotor plate.The rotor plate body 63 that dissolves has the second length l
2, this second length extends to rotor plate and to dissolve the second axial end portion 162 of body 63 from dissolve the first axial end portion 161 of body 63 of rotor plate, wherein the second length l
2be less than the first length l
1.Second length l
2such as can have and be less than the first length l
1the value of half of value.
Therefore advantageously, passage 126 or other passage can be of a size of the first longer motor 52 of manufacturing cover group 60 with required and be advantageously considered for packing material 15 to cause the second axial end portion 164 via passage from the first axial end portion 163 at least in part.In order to set forth, thinking below at this section: Fig. 3 exemplarily illustrates the corresponding cross section of the first cage rotor 62.In this paragraph, be not provided with Reference numeral, correspondingly can exemplarily draw its Reference numeral from Fig. 3 and affiliated description in about the doubt situation of its meaning.Described required size is preset by following condition: under fully liquid state with the amount of abundance at the second axial end portion 164 place for other short-circuited conducting sleeve 609 provides the first material.Depend on the cross section being provided for passage packing material 15 being transported to the second axial end portion 164 when manufacture the first cage rotor 62, advantageously can determine the quantity of the passage via it, packing material 15 being caused the second axial end portion 164, thus second axial end portion 164 place of to fold 206 under fully liquid state with the amount of abundance at the rotor plate of the first cage type stud shaft 62 provides the first material for other short-circuited conducting sleeve 609.As described according to Fig. 3 in conjunction with the embodiment of cage rotor 1, its layout around rotation 6 preferably should be determined, to make to make the imbalance of cage rotor 62 minimize when rotating around rotation 6 by the mass distribution of rotation asymmetry with the passage that the first packing material 15 is filled.
Also can be advantageously motor according to cover group application lamination of the present invention, this lamination has the second other punching portion in the interior zone of lamination, this lamination forms the edge of the passage of varying cross-section respectively, thus after with packing material filling channel, the first material is filled into and has with in the passage of the cross section of other passage different area.Especially advantageously, the girth on the border of corresponding passage can be different from the ratio of the area of the cross section of corresponding passage in the channel.
Therefore, at motor 51, in the embodiment of the cover group 60 of 52, lamination 7 can have the layout stretched around rotation 6 in the second punching portion 11 and the second other punching portion, it forms the edge of the edge with the first passage 126 of the first area and the second channel with larger second area, and wherein first passage 126 and second channel are alternately arranged around rotation 6.Under fully liquid state with the amount of abundance at the second axial end portion 164 place for other short-circuited conducting sleeve 609 provides the condition of the first material advantageously to realize in the following way, namely packing material 15 causes the second axial end portion 164 via the second channel with larger second area from the first axial end portion 163, so because advantageously, the calorifics loss of the per unit volume of packing material can be reduced when being folded 206 transport packing material 15 by longer rotor plate.Therefore, it is possible to advantageously under fully liquid state with the amount of abundance at the second axial end portion 164 place for other short-circuited conducting sleeve 609 provides the first material.
Fig. 9 illustrates the view of the cage rotor variant 61 according to Fig. 6 observed from axial direction 3.Fig. 9 illustrates, cage rotor variant 61 has multiple open channel 69 and do not have the passage of filling, and the passage of this filling is filled with the packing material 15 be made up of the first material.Particularly do not have following passage of filling, wherein packing material is connected with short-circuited conducting sleeve and other short-circuited conducting sleeve single type ground.
Fig. 7 illustrates motor 53, the second embodiment of the cover group 70 of 54.Cover group 70 comprises at least one first motor 54, and this first motor has the structure as the embodiment of the motor according to Fig. 5.First motor 54 has the first cage rotor 54, and this first cage rotor is formed as the embodiment of the cage rotor 1 of Fig. 1.The rotor plate folded 207 of the first cage rotor 72 has the 3rd length l
3, the 3rd length is from the first axial end portion 173 along to the second axial end portion 174.Be arranged in by having the bar 717 formed than the second material of the first material conductivity more high conductivity in groove 716.
Motor 53, the cover group 70 of 54 has at least one second motor 53, this second motor is formed as the first motor 52 of the cover group 60 of the embodiment of Fig. 6, wherein second motor 53 of Fig. 7 has the cage rotor variant 71 of the body 73 that to dissolve with rotor plate, but this rotor plate body that dissolves has multiple open channel 79 does not have the passage of filling, and the passage of this filling is filled with the packing material 15 be made up of the first material.Especially, not there is following passage of filling, wherein packing material and short-circuited conducting sleeve and with other short-circuited conducting sleeve single type be connected.The rotor plate body 73 that dissolves has the 4th length l
4, the 4th length extends to rotor plate and to dissolve the second axial end portion 172 of body 73 from dissolve the first axial end portion 171 of body 73 of rotor plate, wherein the 3rd length l
3be substantially equal to the 4th length l
4.Substantially mean: the 3rd length l
3with the 4th length l
4maximum difference the 3rd length l
310%.Although bar 717 is in groove 176, but advantageously the first material can be caused the second axial end portion 174 with the amount of abundance via favourable passage, can form the other short-circuited conducting sleeve 709 of high-quality first cage rotor 72 there under fully liquid state.
Fig. 8 illustrates motor 55, the 3rd embodiment of the cover group 80 of 56.Motor 55, the cover group 80 of 56 comprises the first motor 56, and this first motor has the structure as the embodiment of the motor 50 of Fig. 5.First motor 56 has the first cage rotor 82, and this first cage rotor is formed as the embodiment of the cage rotor according to Fig. 1.In the first cage rotor 82, fill the passage of larger quantity with the packing material 15 be made up of the first material, be wherein connected with short-circuited conducting sleeve with other short-circuited conducting sleeve packing material single type.Although the 5th length l
5approximately the 3rd length l
3twice large, but the first axial end portion 183 that the first material can fold 208 with the amount of abundance from rotor plate under fully liquid state causes the second axial end portion 184 that rotor plate folds 208, and the other short-circuited conducting sleeve of the first motor does not have worse quality compared with the quality of the other short-circuited conducting sleeve of the first motor 54 according to Fig. 7.This advantageously realizes in the following way: the quantity being greater than the passage with packing material filling of the first cage rotor 72 according to Fig. 7 according to the quantity of the passage with packing material filling of first cage rotor 82 of Fig. 8, or fill as down cross-sectional according to the first material in the corresponding passage of first cage rotor 82 of Fig. 8, the area of this cross section is greater than the area of the cross section that packing material is filled in the corresponding passage of the first cage rotor 82 according to Fig. 8.Advantageously, these two cage rotors can both be suitable for, and the quantity of the passage of namely not only filling, in addition cross section are all different.5th length l
5the second axial end portion 184 that rotor plate folds 208 is extended to from the first axial end portion 183.
Motor 55, the cover group 80 of 56 has the second motor 55, and this second motor has the structure such according to second motor 51 of Fig. 6.But, arrange in the second motor 55 by having the bar formed than the second material of the first material conductivity more high conductivity.Second motor 55 has the cage rotor variant 81 of the body 83 that to dissolve with rotor plate.The open channel 89 of cage rotor variant 81 extends to rotor plate to dissolve the second axial end portion 182 of body 83 from dissolve the first axial end portion 181 of body 83 of rotor plate.6th length l
6extend to rotor plate from the first axial end portion 181 to dissolve the second axial end portion 182 of body 83.6th length l
6be less than the 5th length l
5only about half of.
In another embodiment, motor 51,52, the cover group of 53,54,55,56 has the first motor 52, second motor 51, the 3rd motor 54, the 4th motor 53, the 5th motor 56 and the 6th motor 55.Motor 51,52, the serial number of 53,54,55,56 corresponds to according to Fig. 6 at this, and the rotor plate of 7 and 8 dissolves body 63, and 73,83 or rotor plate folded 206,207, the length l of 208
1, l
2, l
3, l
4, l
5, l
6in numbering.Six motors of cover group are Fig. 6, the motor of 7 and 8.In order to distinguish cage rotor 62,72,82, cage rotor variant 61,71,81 and rotor plate folded 206,207,208 and rotor plate dissolve body 63,73,83, it represents with the sequence number that followed by the motor that cage rotor or rotor plate are folded uniformly.Therefore, the first motor 52 has the first cage rotor variant 62 and the first rotor plate and to dissolve body 206.
Cage rotor 51,52,53,54, the embodiment of 55 has lamination 7, this lamination all about the first punching portion 11 of punching portion 10, second, other punching portion 30, formed the edge of other passage 121 other punching portion and formed varying cross-section passage each edge the second other punching portion form in the same manner in position and size.
Although set forth in detail in detail by preferred embodiment and describe the present invention, the present invention is not limited to disclosed example, and other variant can be derived by professional, and this does not depart from protection scope of the present invention.
Claims (10)
1. the cage rotor for motor (50,52,54,56) (1,62,72,82), described cage rotor comprises:
-rotor plate folded (2,206,207,208), described rotor plate folded along rotation (6) on axial direction (3) from the first axial end portion (4,163,173,183) to the second axial end portion (5,164,174,184) to extend and the folded lamination (7) had along described axial direction (3) layering of described rotor plate
-short-circuited conducting sleeve (8), described short-circuited conducting sleeve is around described rotation (6) and described short-circuited conducting sleeve is arranged on described first axial end portion (4,163,173,183); With
-other short-circuited conducting sleeve (9), described other short-circuited conducting sleeve is around described rotation (6) and described other short-circuited conducting sleeve is arranged on described second axial end portion (5,164,174,184),
-wherein, described short-circuited conducting sleeve (8) and described other short-circuited conducting sleeve (9) comprise the first material,
-wherein, described lamination (7) has each first punching portion (10), and described first punching portion forms described rotor plate folded (2,206,207,208) edge of groove (16), described groove is from described first axial end portion (4,163,173,183) described second axial end portion (5 is extended to, 164,174,184)
-wherein, described lamination (7) has each second punching portion (11), and described second punching portion forms the edge of passage (12,126), described passage is from described first axial end portion (4,163,173,183) described second axial end portion (5 is extended to, 164,174,184)
-wherein, described first punching portion (10) is arranged in the perimeter (13) of described lamination (7) and described second punching portion (11) is arranged in the interior zone of described lamination (7), it is characterized in that, described passage (12,126) fill with the packing material (15) be made up of described first material, described packing material is connected with described short-circuited conducting sleeve (8) and described other short-circuited conducting sleeve (9) single type ground.
2. cage rotor (1 according to claim 1,62,72,82), wherein, described first material fills cross section (18) in the described passage (12,126), and described cross section is greater than the cross section (151) of filling in described groove (16) one of described first material.
3. cage rotor (1 according to claim 1 and 2,62,72,82), wherein, described lamination (7) at least has each other punching portion (30) in the interior zone of described lamination (7) (14), wherein, described other punching portion (30) forms the edge of open channel (19), and described open channel extends to described second axial end portion (5) from described first axial end portion (4).
4. according to cage rotor in any one of the preceding claims wherein (1,62,72,82), wherein, described passage (12) separates with described groove (16) in described lamination (7).
5. according to cage rotor in any one of the preceding claims wherein (1,62,72,82), wherein, be furnished with the bar (17) be made up of the second material in described groove (16), the conductivity of described second material is higher than the conductivity of described first material.
6. according to cage rotor (1 in any one of the preceding claims wherein, 62,72,82), wherein, described packing material (15) in passage (12,126) described in the described surrounded by edges of the described passage (12,126) formed by described second punching portion (11).
7. a motor (50,52,54,56), comprises according to cage rotor in any one of the preceding claims wherein (1,62,72,82).
8. one kind for the manufacture of cage rotor (1 according to any one of claim 1 to 6,62,72,82) method, wherein, described packing material (15) is at least in part via described passage (12,126) described second axial end portion (5 is caused, 164,174,184).
9. a motor (51,52,53,54,55,56) cover group (60,70,80) at least one first motor (52, is comprised, 54,56) and at least one second motor (51,53,55), described first motor has the first cage rotor (62,72 according to any one of claim 1 to 6,82)
-wherein, described second motor (51, 53, 55) have and to dissolve body (63 with rotor plate, 73, 83) cage rotor variant (61, 71, 81), described rotor plate dissolve body as described in the first cage rotor (62, 72, 82) described lamination (7) has the described lamination (7) with each first punching portion (10) and the second punching portion (11) like that, wherein, first punching portion (10) described in each of described lamination (7) forms described rotor plate and to dissolve body (63, 73, 83) edge of groove (16), described groove to dissolve body (63 from described rotor plate, 73, 83) the first axial end portion (161, 171, 181) extend to described rotor plate to dissolve body (63, 73, 83) the second axial end portion, wherein, second punching portion (11) described in each of described lamination (7) forms described rotor plate and to dissolve body (63, 73, 83) open channel (69, 79, 89) edge, the dissolve open channel of body of described rotor plate to dissolve body (63 from described rotor plate, 73, 83) described first axial end portion (161, 171, 181) extend to described rotor plate to dissolve body (63, 73, 83) described second axial end portion (162, 172, 182).
10. the cover group (60,80) of a motor according to claim 9 (51,52,55,56),
-wherein, described first cage rotor (62, 82) described rotor plate folded (206, 208) there is the first length, described first length is from described first axial end portion (163, 183) described second axial end portion (164 is extended to, 184), the body (63 and described rotor plate dissolves, 83) there is the second length, described second length to dissolve body (63 from described rotor plate, 83) described first axial end portion (161, 181) extend to described rotor plate to dissolve body (63, 83) described second axial end portion (162, 182), wherein, described second length is less than described first length.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12197266.5 | 2012-12-14 | ||
| EP12197266.5A EP2744089A1 (en) | 2012-12-14 | 2012-12-14 | Reliable cage rotor |
| PCT/EP2013/075758 WO2014090694A1 (en) | 2012-12-14 | 2013-12-06 | Reliable squirrel-cage rotor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104871415A true CN104871415A (en) | 2015-08-26 |
| CN104871415B CN104871415B (en) | 2017-10-31 |
Family
ID=47351523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380065418.4A Active CN104871415B (en) | 2012-12-14 | 2013-12-06 | Reliable cage rotor |
Country Status (3)
| Country | Link |
|---|---|
| EP (2) | EP2744089A1 (en) |
| CN (1) | CN104871415B (en) |
| WO (1) | WO2014090694A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109804537A (en) * | 2016-09-30 | 2019-05-24 | 西门子股份公司 | The manufacture of the rotor of rotor and rotating electric machine |
| WO2023164885A1 (en) * | 2022-03-03 | 2023-09-07 | 罗灿 | Yoke cage-shaped coil induction rotor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3082227A1 (en) | 2015-04-14 | 2016-10-19 | Siemens Aktiengesellschaft | Rotor of an asynchronous machine |
| DE102016216685A1 (en) | 2016-09-02 | 2018-03-08 | Continental Automotive Gmbh | Rotor for an electric machine |
| FR3069733B1 (en) | 2017-07-31 | 2023-05-05 | Leroy Somer Moteurs | INJECTED CAGE ROTOR |
| EP3627661B1 (en) * | 2018-09-21 | 2021-06-02 | Siemens Aktiengesellschaft | Cage rotor and manufacture of a cage rotor |
| EP3657635A1 (en) * | 2018-11-22 | 2020-05-27 | Siemens Aktiengesellschaft | Rotor for an asynchronous machine with loss-optimised rod geometry, asynchronous machine and method |
| DE102022208672A1 (en) | 2022-08-22 | 2024-02-22 | Volkswagen Aktiengesellschaft | Rotor for an asynchronous machine with cooling channels, asynchronous machine and motor vehicle |
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| JPH06133506A (en) * | 1992-10-19 | 1994-05-13 | Mitsubishi Electric Corp | Manufacture of squirrel-cage rotor |
| JPH104658A (en) * | 1996-06-13 | 1998-01-06 | Hitachi Ltd | Induction motor |
| CN201549997U (en) * | 2009-11-17 | 2010-08-11 | 卧龙电气集团股份有限公司 | Double squirrel cage rotor structure |
| CN102474163A (en) * | 2009-08-03 | 2012-05-23 | 西门子公司 | Method for producing beveled cage rotor and beveled cage rotor |
| EP2492047A1 (en) * | 2011-02-28 | 2012-08-29 | Siemens Aktiengesellschaft | Motor spindle unit with housing-free direct drive |
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| DE4308683A1 (en) * | 1993-03-18 | 1994-09-22 | Siemens Ag | Squirrel-cage rotor for an asynchronous machine |
| DE19901195A1 (en) | 1999-01-14 | 2000-07-27 | Siemens Ag | Electrical machine die-cast cage rotor |
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2012
- 2012-12-14 EP EP12197266.5A patent/EP2744089A1/en not_active Withdrawn
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2013
- 2013-12-06 EP EP13815402.6A patent/EP2918005B1/en active Active
- 2013-12-06 WO PCT/EP2013/075758 patent/WO2014090694A1/en active Application Filing
- 2013-12-06 CN CN201380065418.4A patent/CN104871415B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2264614A1 (en) * | 1974-03-20 | 1975-10-17 | Bachelier Rene | Pressure-die casting machine with horizontal joint line - esp. for casting aluminium squirrel cage rotors contg. laminations |
| JPH06133506A (en) * | 1992-10-19 | 1994-05-13 | Mitsubishi Electric Corp | Manufacture of squirrel-cage rotor |
| JPH104658A (en) * | 1996-06-13 | 1998-01-06 | Hitachi Ltd | Induction motor |
| CN102474163A (en) * | 2009-08-03 | 2012-05-23 | 西门子公司 | Method for producing beveled cage rotor and beveled cage rotor |
| CN201549997U (en) * | 2009-11-17 | 2010-08-11 | 卧龙电气集团股份有限公司 | Double squirrel cage rotor structure |
| EP2492047A1 (en) * | 2011-02-28 | 2012-08-29 | Siemens Aktiengesellschaft | Motor spindle unit with housing-free direct drive |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109804537A (en) * | 2016-09-30 | 2019-05-24 | 西门子股份公司 | The manufacture of the rotor of rotor and rotating electric machine |
| WO2023164885A1 (en) * | 2022-03-03 | 2023-09-07 | 罗灿 | Yoke cage-shaped coil induction rotor |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2918005A1 (en) | 2015-09-16 |
| EP2918005B1 (en) | 2016-06-15 |
| CN104871415B (en) | 2017-10-31 |
| EP2744089A1 (en) | 2014-06-18 |
| WO2014090694A1 (en) | 2014-06-19 |
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